//example.cpp
#include<iostream>
#define pi 3.1415
using namespace std;
int main()
{
   int n = 0;
   float a = 12.34;
   char ch = 'a';
   cout << "hello C++ ";
   for (int i = 0; i < 10; i++)
       a = n + ch;
   return 0; 
}